February 2019
Intermediate to advanced
450 pages
9h 59m
English
Content preview from Hands-On Blockchain for Python Developers
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Developing a simple voting application
First, we are going to build the simplest voting application, simpler than the voting application example that comes with the Vyper software source code. Let's set up our Populus project directory:
$ virtualenv -p python3.6 voting-venv$ source voting-venv/bin/activate(voting-venv) $ pip install eth-abi==1.2.2(voting-venv) $ pip install eth-typing==1.1.0(voting-venv) $ pip install web3==4.7.2(voting-venv) $ pip install -e git+https://github.com/ethereum/populus#egg=populus(voting-venv) $ pip install vyper(voting-venv) $ mkdir voting_project(voting-venv) $ cd voting_project(voting-venv) $ mkdir tests contracts(voting-venv) $ cp ../voting-venv/src/populus/populus/assets/defaults.v9.config.json project.json ...
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